12709520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 29938560

約数和(自身を除く): 17229040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2011, 3160, 4022, 6320, 8044, 10055, 16088, 20110, 32176, 40220, 80440, 158869, 160880, 317738, 635476, 794345, 1270952, 1588690, 2541904, 3177380, 6354760, 12709520]

約数ペア:

[(1, 12709520), (2, 6354760), (4, 3177380), (5, 2541904), (8, 1588690), (10, 1270952), (16, 794345), (20, 635476), (40, 317738), (79, 160880), (80, 158869), (158, 80440), (316, 40220), (395, 32176), (632, 20110), (790, 16088), (1264, 10055), (1580, 8044), (2011, 6320), (3160, 4022)]